GL Profile Suite / boost_1_51_0 / boost / math / tools / detail / rational_horner2_8.hpp

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112``` ```// (C) Copyright John Maddock 2007. // Use, modification and distribution are subject to the // Boost Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // // This file is machine generated, do not edit by hand // Polynomial evaluation using second order Horners rule #ifndef BOOST_MATH_TOOLS_RAT_EVAL_8_HPP #define BOOST_MATH_TOOLS_RAT_EVAL_8_HPP namespace boost{ namespace math{ namespace tools{ namespace detail{ template inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const mpl::int_<0>*) { return static_cast(0); } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V&, const mpl::int_<1>*) { return static_cast(a[0]) / static_cast(b[0]); } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<2>*) { return static_cast((a[1] * x + a[0]) / (b[1] * x + b[0])); } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<3>*) { return static_cast(((a[2] * x + a[1]) * x + a[0]) / ((b[2] * x + b[1]) * x + b[0])); } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<4>*) { return static_cast((((a[3] * x + a[2]) * x + a[1]) * x + a[0]) / (((b[3] * x + b[2]) * x + b[1]) * x + b[0])); } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<5>*) { if(x <= 1) { V x2 = x * x; return static_cast(((a[4] * x2 + a[2]) * x2 + a[0] + (a[3] * x2 + a[1]) * x) / ((b[4] * x2 + b[2]) * x2 + b[0] + (b[3] * x2 + b[1]) * x)); } else { V z = 1 / x; V z2 = 1 / (x * x); return static_cast(((a[0] * z2 + a[2]) * z2 + a[4] + (a[1] * z2 + a[3]) * z) / ((b[0] * z2 + b[2]) * z2 + b[4] + (b[1] * z2 + b[3]) * z)); } } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<6>*) { if(x <= 1) { V x2 = x * x; return static_cast((((a[5] * x2 + a[3]) * x2 + a[1]) * x + (a[4] * x2 + a[2]) * x2 + a[0]) / (((b[5] * x2 + b[3]) * x2 + b[1]) * x + (b[4] * x2 + b[2]) * x2 + b[0])); } else { V z = 1 / x; V z2 = 1 / (x * x); return static_cast((((a[0] * z2 + a[2]) * z2 + a[4]) * z + (a[1] * z2 + a[3]) * z2 + a[5]) / (((b[0] * z2 + b[2]) * z2 + b[4]) * z + (b[1] * z2 + b[3]) * z2 + b[5])); } } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<7>*) { if(x <= 1) { V x2 = x * x; return static_cast((((a[6] * x2 + a[4]) * x2 + a[2]) * x2 + a[0] + ((a[5] * x2 + a[3]) * x2 + a[1]) * x) / (((b[6] * x2 + b[4]) * x2 + b[2]) * x2 + b[0] + ((b[5] * x2 + b[3]) * x2 + b[1]) * x)); } else { V z = 1 / x; V z2 = 1 / (x * x); return static_cast((((a[0] * z2 + a[2]) * z2 + a[4]) * z2 + a[6] + ((a[1] * z2 + a[3]) * z2 + a[5]) * z) / (((b[0] * z2 + b[2]) * z2 + b[4]) * z2 + b[6] + ((b[1] * z2 + b[3]) * z2 + b[5]) * z)); } } template inline V evaluate_rational_c_imp(const T* a, const U* b, const V& x, const mpl::int_<8>*) { if(x <= 1) { V x2 = x * x; return static_cast(((((a[7] * x2 + a[5]) * x2 + a[3]) * x2 + a[1]) * x + ((a[6] * x2 + a[4]) * x2 + a[2]) * x2 + a[0]) / ((((b[7] * x2 + b[5]) * x2 + b[3]) * x2 + b[1]) * x + ((b[6] * x2 + b[4]) * x2 + b[2]) * x2 + b[0])); } else { V z = 1 / x; V z2 = 1 / (x * x); return static_cast(((((a[0] * z2 + a[2]) * z2 + a[4]) * z2 + a[6]) * z + ((a[1] * z2 + a[3]) * z2 + a[5]) * z2 + a[7]) / ((((b[0] * z2 + b[2]) * z2 + b[4]) * z2 + b[6]) * z + ((b[1] * z2 + b[3]) * z2 + b[5]) * z2 + b[7])); } } }}}} // namespaces #endif // include guard ```